diff --git a/flowers_plus/init.lua b/flowers_plus/init.lua
index f8687bf..2b3e237 100644
--- a/flowers_plus/init.lua
+++ b/flowers_plus/init.lua
@@ -245,7 +245,7 @@ minetest.register_node(":flowers:sunflower", {
 	walkable = false,
 	buildable_to = true,
 	is_ground_content = true,
-	groups = { dig_immediate=3, flora=1, flammable=3 },
+	groups = { dig_immediate=3, flora=1, flammable=3, attached_node=1 },
 	sounds = default.node_sound_leaves_defaults(),
 	selection_box = box,
 	collision_box = box,
diff --git a/trunks/nodes.lua b/trunks/nodes.lua
index 2d826d3..c9b59a9 100644
--- a/trunks/nodes.lua
+++ b/trunks/nodes.lua
@@ -95,6 +95,7 @@ for r = 0, 3 do
 		sunlight_propagates = true,
 		walkable = false,
 		node_box = cbox,
+		buildable_to = true,
 		groups = {snappy = 3, flammable = 3, attached_node=1, not_in_creative_inventory = r},
 		sounds = default.node_sound_leaves_defaults(),
 		drop = "trunks:moss_plain_0",
@@ -114,6 +115,7 @@ for r = 0, 3 do
 		sunlight_propagates = true,
 		walkable = false,
 		node_box = cbox,
+		buildable_to = true,
 		groups = {snappy = 3, flammable = 3, attached_node=1, not_in_creative_inventory = r},
 		sounds = default.node_sound_leaves_defaults(),
 		drop = "trunks:moss_with_fungus_0",